ironclad
ironc·lad
adjective
1.
inflexibly entrenched and unchangeable
- “brassbound traditions”
- “brassbound party loyalists”
- “an ironclad rule”
2.
without flaws or loopholes
- “an ironclad contract”
- “a watertight alibi”
- “a bulletproof argument”
Origin
From iron + clad.
Phrases
- ironclad beetle
- land ironclad
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.